Correct Answer: 236 cm2
Explanation:
Let x, y and z be the length breadth and deapth of a cuboid.
∴ x + y + z = 19
x2 + y2 + z2 = (5√5)2 = 125
Surface area of the cuboid = 2(xy + yz + zx)
= (x + y + z)2) - (x2 + y2 + z2)
= 361 - 125 = 236 cm3
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